xref: /openbmc/linux/include/crypto/dh.h (revision bc5aa3a0)
1 /*
2  * Diffie-Hellman secret to be used with kpp API along with helper functions
3  *
4  * Copyright (c) 2016, Intel Corporation
5  * Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the Free
9  * Software Foundation; either version 2 of the License, or (at your option)
10  * any later version.
11  *
12  */
13 #ifndef _CRYPTO_DH_
14 #define _CRYPTO_DH_
15 
16 struct dh {
17 	void *key;
18 	void *p;
19 	void *g;
20 	unsigned int key_size;
21 	unsigned int p_size;
22 	unsigned int g_size;
23 };
24 
25 int crypto_dh_key_len(const struct dh *params);
26 int crypto_dh_encode_key(char *buf, unsigned int len, const struct dh *params);
27 int crypto_dh_decode_key(const char *buf, unsigned int len, struct dh *params);
28 
29 #endif
30